Table 2 Values of vibration acceleration of SSVs
Measurement mode | Measurement of time (S) | Mean Daily Exposure Time (S) | Frequency weight acceleration (m/s2) | Resultant XYZ | Daily Vibration Exposure A(8) | ||
|---|---|---|---|---|---|---|---|
X | Y | Z | |||||
Vessels in stillness | 445 | 5400 | 3.03 | 2.6 | 5.44 | 6.75 | 3.37 |
Vessels moving at low speed (20 Km/h) | 362 | 7200 | 7.36 | 1.95 | 7.92 | 11 | 5.49 |
Vessels moving at high speed (100 Km/h) | 312 | 7200 | 8.19 | 3.5 | 9.26 | 12.84 | 5.56 |
Mean | 373 | 6600 | 6.19 | 2.68 | 7.54 | 10.19 | 4.81 |
SD | 67.2 | 1039 | 2.77 | 0.78 | 1.93 | 3.12 | 1.24 |